Wellue Fingertip Pulse Oximeter, Blood Oxygen Saturation Monitor with Batteries for Wellness Use Bluetooth, Black

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ACCURATE AND RELIABLE: Accurately measures your blood oxygen saturation levels(SpO2 ), pulse rate, pulse strength and pulse waveform and display them conveniently on a large OLED screen.
WARNINGS FOR ABNORMAL READINGS: The value on screen will flash when abnormal SpO2 or pulse rate is detected. Keep an eye on your SpO2 and PR.
FREE APP FOR ANDROID AND iOS: Use App at no additional cost. Record and store a reading up to 10 hours continuously. (ONLY record when APP is running) View real time data, graphic report and trends of blood oxygen saturation and heart rate.
EASY TO USE: Take a reading in an easy-to-use way, simply clip it on to your finger and turn it on at the press of a button. Finger probe with SMART Spring System accomodates wide range of finger sizes.
【COME WITH ACCESSORIES】Include 2 X AAA BATTERIES and a LANYARD for convenience. Comes with 1 YEAR WARRANTY. NOTE: This device is for Sports and Aviation use only and not intended for medical use.